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C++ Data Types

bookCommon String Methods

append.h

append.h

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str.append("added part");
main.cpp

main.cpp

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#include <iostream>

int main()
{
    std::string str = "Code";
    str = str + "finity"; // or str += "finity"
    std::cout << str << std::endl;
}
main.cpp

main.cpp

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#include <iostream>

int main()
{
    std::string str = "finity";
    str = "code" + str + ".com";
    std::cout << str << std::endl;
}
insert.h

insert.h

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str.insert(pos, "text to add");
replace.h

replace.h

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str.replace(start, n, "new text");
erase.h

erase.h

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str.erase(start, n);
main.cpp

main.cpp

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#include <iostream>

int main()
{
    std::string str = "finity";
    
    str.append(".com"); // finity to finity.com
    std::cout << str << std::endl;
    
    str = "in" + str; // finity.com to infinity.com
    std::cout << str << std::endl;
    
    str.insert(2, "de"); // infinity.com to indefinity.com
    std::cout << str << std::endl;
    
    str.replace(0, 2, "co"); // indefinity.com to codefinity.com
    std::cout << str << std::endl;
    
    str.erase(10, 4); // codefinity.com to codefinity
    std::cout << str << std::endl;
}

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Osio 3. Luku 4

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Can you show examples of how each string method works?

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bookCommon String Methods

Pyyhkäise näyttääksesi valikon

append.h

append.h

copy

              
1

            
str.append("added part");
main.cpp

main.cpp

copy

              
12345678

            
#include <iostream>

int main()
{
    std::string str = "Code";
    str = str + "finity"; // or str += "finity"
    std::cout << str << std::endl;
}
main.cpp

main.cpp

copy

              
12345678

            
#include <iostream>

int main()
{
    std::string str = "finity";
    str = "code" + str + ".com";
    std::cout << str << std::endl;
}
insert.h

insert.h

copy

              
1

            
str.insert(pos, "text to add");
replace.h

replace.h

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1

            
str.replace(start, n, "new text");
erase.h

erase.h

copy

              
1

            
str.erase(start, n);
main.cpp

main.cpp

copy

              
123456789101112131415161718192021

            
#include <iostream>

int main()
{
    std::string str = "finity";
    
    str.append(".com"); // finity to finity.com
    std::cout << str << std::endl;
    
    str = "in" + str; // finity.com to infinity.com
    std::cout << str << std::endl;
    
    str.insert(2, "de"); // infinity.com to indefinity.com
    std::cout << str << std::endl;
    
    str.replace(0, 2, "co"); // indefinity.com to codefinity.com
    std::cout << str << std::endl;
    
    str.erase(10, 4); // codefinity.com to codefinity
    std::cout << str << std::endl;
}

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Osio 3. Luku 4
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